Amazon.com: PRO BIKE TOOL Valve Core Tool - Presta and Schrader Valve Core Removal - Suitable for Presta and Schrader Valves found on Mountain Bike, Road Bike and Motorcycle set-ups : Sports
How to Remove a Presta Valve Core Without A Tool - YouTube
Presta Valve Core Removal Tool for Tubeless and Schrader Valves with Knurled Grip and 5mm Extender Wrench. - Walmart.com
How to Remove a Presta Valve Core Without A Tool - Bike Faff